12901 	struct perf_event_context *child_ctx, *clone_ctx = NULL;  in perf_event_exit_task_context()  local
12906 	child_ctx = perf_pin_task_context(child, ctxn);  in perf_event_exit_task_context()
12907 	if (!child_ctx)  in perf_event_exit_task_context()
12920 	mutex_lock(&child_ctx->mutex);  in perf_event_exit_task_context()
12927 	raw_spin_lock_irq(&child_ctx->lock);  in perf_event_exit_task_context()
12928 	task_ctx_sched_out(__get_cpu_context(child_ctx), child_ctx, EVENT_ALL);  in perf_event_exit_task_context()
12935 	put_ctx(child_ctx); /* cannot be last */  in perf_event_exit_task_context()
12936 	WRITE_ONCE(child_ctx->task, TASK_TOMBSTONE);  in perf_event_exit_task_context()
12939 	clone_ctx = unclone_ctx(child_ctx);  in perf_event_exit_task_context()
12940 	raw_spin_unlock_irq(&child_ctx->lock);  in perf_event_exit_task_context()
12950 	perf_event_task(child, child_ctx, 0);  in perf_event_exit_task_context()
12952 	list_for_each_entry_safe(child_event, next, &child_ctx->event_list, event_entry)  in perf_event_exit_task_context()
12953 		perf_event_exit_event(child_event, child_ctx);  in perf_event_exit_task_context()
12955 	mutex_unlock(&child_ctx->mutex);  in perf_event_exit_task_context()
12957 	put_ctx(child_ctx);  in perf_event_exit_task_context()
13125 	      struct perf_event_context *child_ctx)  in inherit_event()  argument
13150 	    !child_ctx->task_ctx_data) {  in inherit_event()
13153 		child_ctx->task_ctx_data = alloc_task_ctx_data(pmu);  in inherit_event()
13154 		if (!child_ctx->task_ctx_data) {  in inherit_event()
13175 	get_ctx(child_ctx);  in inherit_event()
13197 	child_event->ctx = child_ctx;  in inherit_event()
13211 	raw_spin_lock_irqsave(&child_ctx->lock, flags);  in inherit_event()
13212 	add_event_to_ctx(child_event, child_ctx);  in inherit_event()
13214 	raw_spin_unlock_irqrestore(&child_ctx->lock, flags);  in inherit_event()
13239 	      struct perf_event_context *child_ctx)  in inherit_group()  argument
13246 				 child, NULL, child_ctx);  in inherit_group()
13256 					    child, leader, child_ctx);  in inherit_group()
13285 	struct perf_event_context *child_ctx;  in inherit_task_group()  local
13295 	child_ctx = child->perf_event_ctxp[ctxn];  in inherit_task_group()
13296 	if (!child_ctx) {  in inherit_task_group()
13303 		child_ctx = alloc_perf_context(parent_ctx->pmu, child);  in inherit_task_group()
13304 		if (!child_ctx)  in inherit_task_group()
13307 		child->perf_event_ctxp[ctxn] = child_ctx;  in inherit_task_group()
13311 			    child, child_ctx);  in inherit_task_group()
13325 	struct perf_event_context *child_ctx, *parent_ctx;  in perf_event_init_context()  local
13389 	child_ctx = child->perf_event_ctxp[ctxn];  in perf_event_init_context()
13391 	if (child_ctx && inherited_all) {  in perf_event_init_context()
13401 			child_ctx->parent_ctx = cloned_ctx;  in perf_event_init_context()
13402 			child_ctx->parent_gen = parent_ctx->parent_gen;  in perf_event_init_context()
13404 			child_ctx->parent_ctx = parent_ctx;  in perf_event_init_context()
13405 			child_ctx->parent_gen = parent_ctx->generation;  in perf_event_init_context()
13407 		get_ctx(child_ctx->parent_ctx);  in perf_event_init_context()